<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	</head>
	<body>
	</body>
	<script type="text/javascript">
		var A=function(){}
		
		
		A.prototype.n=1
		var b=new A()
		
		
		A.prototype={
			n:2,
			m:3
		}
		var c=new A()
		
		
		console.log(A.prototype)
		console.log(b.n,b.m,c.n,c.m)

		
		
	</script>
</html>
